When Factory Speakers Just Don't Cut It

RE Audio 18" XXX Series Dual 2 Ohm Subwoofer
Retail Price: $2,248.99
Your Price: $1,449.99
Manufacturer: RE Audio
Manufacturer Part No: XXX18
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Nominal Impedance -Znom: Dual 2 ohm, Thermal Power Handling -Pe: 2000 W
Force Factor -Bl: 18.16, Electrical Q Value -Qes: 0.68
Mechanical Q Value -Qms: 2.82, Total Speaker Q Value -Qts: 0.55
Free Air Resonance -Fs: 15.60 Hz, Equivalent Compliance -Vas: 482 liters
One-Way, Linear Excursion -Xmax: 54 mm,

Efficiency - SPL 1W/1m: 86.20 dB SPL
Effective Piston Area -Sd: 1210 cm^2, DC Resistance -Re: 4.2 ohm
Mounting Depth - 14.75”, Mounting Hole Diameter - 17.375”
Overall Diameter - 19”, Bolt Hole Circle - 18.25”
Motor Width - 10.5”, Motor Depth - 5”
Basket Depth - 9.75”, Displacement - .30 cu. ft.
Weight - 78 lbs., Dual Composite 2-piece Cone
Rubber Surround, Integrated Gasket
Cast Aluminum Basket, Tork-Tite Terminal
3" 4-layer Aluminum Voice Coil, FEA Optimized Motor Structure
Split Coil Design, VMS Vented Magnet System
Dual Progressive Spiders, Integrated Tinsel Lead